Wanna pick a fight ? go to the plumbing section 
.........could the looseness be made worse by the 50 cycles of alternating current ?.. .and also, is there a type of connector that allows for soldering .....I`m ok. with soldering after 30 years @ plumbing
.........could the looseness be made worse by the 50 cycles of alternating current ?.. .and also, is there a type of connector that allows for soldering .....I`m ok. with soldering after 30 years @ plumbing 